/Engine/Source/Editor/UnrealEd/Public/Editor.h
Options for CopyActorProperties
namespace EditorUtilities { namespace ECopyOptions { enum Type { Default = 0, PreviewOnly = 1 << 0, CallPostEditChangeProperty = 1 << 1, CallPostEditMove = 1 << 2, OnlyCopyEditOrInterpProperties = 1 << 3, PropagateChangesToArchetypeInstances = 1 << 4, FilterBlueprintReadOnly = 1 << 5, SkipInstanceOnlyProperties = 1 << 6, } } }